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A207482 Number of n X n 0..1 arrays avoiding 0 0 0 and 0 1 1 horizontally and 0 1 1 and 1 1 0 vertically.

%I A207482 #8 Jul 22 2025 20:28:52
%S A207482 2,16,82,530,4041,26980,268275,2555724,30415590,441509828,8373148373,
%T A207482 212120269939,7313507695094,322966671937819,18599518847838594,
%U A207482 1383707197762948671,137553485485585731530,16701189911469748208243
%N A207482 Number of n X n 0..1 arrays avoiding 0 0 0 and 0 1 1 horizontally and 0 1 1 and 1 1 0 vertically.
%C A207482 Diagonal of A207488
%e A207482 Some solutions for n=4
%e A207482 ..1..0..1..0....0..0..1..0....0..0..1..0....1..1..0..0....1..1..0..1
%e A207482 ..0..0..1..0....0..1..0..1....0..0..1..0....0..1..0..0....0..0..1..0
%e A207482 ..1..1..1..1....0..0..1..0....1..1..1..0....0..1..0..1....0..1..0..1
%e A207482 ..0..0..1..0....0..1..0..1....0..0..1..0....0..1..0..0....1..0..1..0
%K A207482 nonn
%O A207482 1,1
%A A207482 _R. H. Hardin_ Feb 18 2012